Transcript for Instant Index: Olympic Committee to Cut Wrestling From 2020 Games

And in our "instant index" tonight, we want to tell you about some big traditions smashed. First up, we learned today that wrestling is about to be cut from the 2020 olympic games. The international olympic committee is trying to reduce the different number of sports and voted out wrestling, which, by the way, was part of the first olympic games in athens. The outrage today was deafening. One mom, an olympic silver medalist in wrestling, tweeted out, "for the future of our sport, save olympic wrestling." And another s.O.S. From a floor face. Donald rumsfeld, asking, "has the ioc lost its senses?" Rumsfeld, by the way, was a wrestler back in his princeton days. And, can you imagine your world with no super bowl sunday? Well, get ready, because today, the nfl announced that next year's super bowl xlviii could be moved to a saturday or a monday. Why? Well, the big game will be in blustery new jersey, and they say if it's too cold and wintry, they'll do the unthinkable and push the big game to a different day. And it is game on. We bring you a newsletter from the first night of america's top dog show,westminster. So far, one of the best dogs is this one, the english sheep dog named swagger, winner of the herding group. And the biggest upset, last year, a peek neez won, but this year, the peek neez fell short, not even making it to the final. And, also this year, there are the rules, banning canine cosmetic surgery, including braces to straighten teeth and any performance enhancing drugs. Best in show will be crowned tonight. And if you think your dog deserves a trophy as much as those fluffy guys, we want you to know, we do, too, and "world news" will have its own best in show, so, send us your pictu of the amazing things your top dog can do.

This transcript has been automatically generated and may not be 100% accurate.

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